In 1868, a solar eclipse in India revealed a mysterious element in the Sun that would not be found on Earth for 27 years
- Image AI generatedIn August 1868, the Sun briefly became a laboratory for astronomers gathered in India to watch a total solar eclipse.
- Among them was the French astronomer Pierre Jules Janssen, who turned a spectroscope towards the bright prominences rising around the eclipsed solar disc.
- Their light contained a yellow spectral line that seemed to sit close to the familiar sodium lines, yet did not quite match them.
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- Image AI generatedIn August 1868, the Sun briefly became a laboratory for astronomers gathered in India to watch a total solar eclipse.
- Among them was the French astronomer Pierre Jules Janssen, who turned a spectroscope towards the bright prominences rising around the eclipsed solar disc.
- Their light contained a yellow spectral line that seemed to sit close to the familiar sodium lines, yet did not quite match them.
Sources: Times of India